National Grid
Market cap
$79.818 B
$76.02 -0.13%
Close of 6 Oct 2026
As of 6 Oct 2026, National Grid (NGG) has a market capitalization of $79.8B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.
Revenue
—
Not reported
Earnings
—
Not reported
Shares outstanding
5,198,968,690
Latest filing cover page
P/E ratio
—
Cap ÷ net income
Natural Gas Distribution, ranked by market cap
All 27 →- #1EnbridgeENB$100.6B
- #2Williams CompaniesWMB$86.6B
- #3National GridNGG$79.8B
- #4Enterprise Products PartnersEPD$79.5B
- #5Kinder MorganKMI$69.9B
What if National Grid were worth as much as…
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Share counts and financials for National Grid are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 7 Oct 2026. Read the methodology.